| ; RUN: opt < %s -dfsan -S | FileCheck %s |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Check that we use dfsan_union in large functions instead of __dfsan_union. |
| |
| ; CHECK-LABEL: @"dfs$foo" |
| define i32 @foo(i32 %a, i32 %b) { |
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| br label %bb803 |
| |
| bb803: |
| br label %bb804 |
| |
| bb804: |
| br label %bb805 |
| |
| bb805: |
| br label %bb806 |
| |
| bb806: |
| br label %bb807 |
| |
| bb807: |
| br label %bb808 |
| |
| bb808: |
| br label %bb809 |
| |
| bb809: |
| br label %bb810 |
| |
| bb810: |
| br label %bb811 |
| |
| bb811: |
| br label %bb812 |
| |
| bb812: |
| br label %bb813 |
| |
| bb813: |
| br label %bb814 |
| |
| bb814: |
| br label %bb815 |
| |
| bb815: |
| br label %bb816 |
| |
| bb816: |
| br label %bb817 |
| |
| bb817: |
| br label %bb818 |
| |
| bb818: |
| br label %bb819 |
| |
| bb819: |
| br label %bb820 |
| |
| bb820: |
| br label %bb821 |
| |
| bb821: |
| br label %bb822 |
| |
| bb822: |
| br label %bb823 |
| |
| bb823: |
| br label %bb824 |
| |
| bb824: |
| br label %bb825 |
| |
| bb825: |
| br label %bb826 |
| |
| bb826: |
| br label %bb827 |
| |
| bb827: |
| br label %bb828 |
| |
| bb828: |
| br label %bb829 |
| |
| bb829: |
| br label %bb830 |
| |
| bb830: |
| br label %bb831 |
| |
| bb831: |
| br label %bb832 |
| |
| bb832: |
| br label %bb833 |
| |
| bb833: |
| br label %bb834 |
| |
| bb834: |
| br label %bb835 |
| |
| bb835: |
| br label %bb836 |
| |
| bb836: |
| br label %bb837 |
| |
| bb837: |
| br label %bb838 |
| |
| bb838: |
| br label %bb839 |
| |
| bb839: |
| br label %bb840 |
| |
| bb840: |
| br label %bb841 |
| |
| bb841: |
| br label %bb842 |
| |
| bb842: |
| br label %bb843 |
| |
| bb843: |
| br label %bb844 |
| |
| bb844: |
| br label %bb845 |
| |
| bb845: |
| br label %bb846 |
| |
| bb846: |
| br label %bb847 |
| |
| bb847: |
| br label %bb848 |
| |
| bb848: |
| br label %bb849 |
| |
| bb849: |
| br label %bb850 |
| |
| bb850: |
| br label %bb851 |
| |
| bb851: |
| br label %bb852 |
| |
| bb852: |
| br label %bb853 |
| |
| bb853: |
| br label %bb854 |
| |
| bb854: |
| br label %bb855 |
| |
| bb855: |
| br label %bb856 |
| |
| bb856: |
| br label %bb857 |
| |
| bb857: |
| br label %bb858 |
| |
| bb858: |
| br label %bb859 |
| |
| bb859: |
| br label %bb860 |
| |
| bb860: |
| br label %bb861 |
| |
| bb861: |
| br label %bb862 |
| |
| bb862: |
| br label %bb863 |
| |
| bb863: |
| br label %bb864 |
| |
| bb864: |
| br label %bb865 |
| |
| bb865: |
| br label %bb866 |
| |
| bb866: |
| br label %bb867 |
| |
| bb867: |
| br label %bb868 |
| |
| bb868: |
| br label %bb869 |
| |
| bb869: |
| br label %bb870 |
| |
| bb870: |
| br label %bb871 |
| |
| bb871: |
| br label %bb872 |
| |
| bb872: |
| br label %bb873 |
| |
| bb873: |
| br label %bb874 |
| |
| bb874: |
| br label %bb875 |
| |
| bb875: |
| br label %bb876 |
| |
| bb876: |
| br label %bb877 |
| |
| bb877: |
| br label %bb878 |
| |
| bb878: |
| br label %bb879 |
| |
| bb879: |
| br label %bb880 |
| |
| bb880: |
| br label %bb881 |
| |
| bb881: |
| br label %bb882 |
| |
| bb882: |
| br label %bb883 |
| |
| bb883: |
| br label %bb884 |
| |
| bb884: |
| br label %bb885 |
| |
| bb885: |
| br label %bb886 |
| |
| bb886: |
| br label %bb887 |
| |
| bb887: |
| br label %bb888 |
| |
| bb888: |
| br label %bb889 |
| |
| bb889: |
| br label %bb890 |
| |
| bb890: |
| br label %bb891 |
| |
| bb891: |
| br label %bb892 |
| |
| bb892: |
| br label %bb893 |
| |
| bb893: |
| br label %bb894 |
| |
| bb894: |
| br label %bb895 |
| |
| bb895: |
| br label %bb896 |
| |
| bb896: |
| br label %bb897 |
| |
| bb897: |
| br label %bb898 |
| |
| bb898: |
| br label %bb899 |
| |
| bb899: |
| br label %bb900 |
| |
| bb900: |
| br label %bb901 |
| |
| bb901: |
| br label %bb902 |
| |
| bb902: |
| br label %bb903 |
| |
| bb903: |
| br label %bb904 |
| |
| bb904: |
| br label %bb905 |
| |
| bb905: |
| br label %bb906 |
| |
| bb906: |
| br label %bb907 |
| |
| bb907: |
| br label %bb908 |
| |
| bb908: |
| br label %bb909 |
| |
| bb909: |
| br label %bb910 |
| |
| bb910: |
| br label %bb911 |
| |
| bb911: |
| br label %bb912 |
| |
| bb912: |
| br label %bb913 |
| |
| bb913: |
| br label %bb914 |
| |
| bb914: |
| br label %bb915 |
| |
| bb915: |
| br label %bb916 |
| |
| bb916: |
| br label %bb917 |
| |
| bb917: |
| br label %bb918 |
| |
| bb918: |
| br label %bb919 |
| |
| bb919: |
| br label %bb920 |
| |
| bb920: |
| br label %bb921 |
| |
| bb921: |
| br label %bb922 |
| |
| bb922: |
| br label %bb923 |
| |
| bb923: |
| br label %bb924 |
| |
| bb924: |
| br label %bb925 |
| |
| bb925: |
| br label %bb926 |
| |
| bb926: |
| br label %bb927 |
| |
| bb927: |
| br label %bb928 |
| |
| bb928: |
| br label %bb929 |
| |
| bb929: |
| br label %bb930 |
| |
| bb930: |
| br label %bb931 |
| |
| bb931: |
| br label %bb932 |
| |
| bb932: |
| br label %bb933 |
| |
| bb933: |
| br label %bb934 |
| |
| bb934: |
| br label %bb935 |
| |
| bb935: |
| br label %bb936 |
| |
| bb936: |
| br label %bb937 |
| |
| bb937: |
| br label %bb938 |
| |
| bb938: |
| br label %bb939 |
| |
| bb939: |
| br label %bb940 |
| |
| bb940: |
| br label %bb941 |
| |
| bb941: |
| br label %bb942 |
| |
| bb942: |
| br label %bb943 |
| |
| bb943: |
| br label %bb944 |
| |
| bb944: |
| br label %bb945 |
| |
| bb945: |
| br label %bb946 |
| |
| bb946: |
| br label %bb947 |
| |
| bb947: |
| br label %bb948 |
| |
| bb948: |
| br label %bb949 |
| |
| bb949: |
| br label %bb950 |
| |
| bb950: |
| br label %bb951 |
| |
| bb951: |
| br label %bb952 |
| |
| bb952: |
| br label %bb953 |
| |
| bb953: |
| br label %bb954 |
| |
| bb954: |
| br label %bb955 |
| |
| bb955: |
| br label %bb956 |
| |
| bb956: |
| br label %bb957 |
| |
| bb957: |
| br label %bb958 |
| |
| bb958: |
| br label %bb959 |
| |
| bb959: |
| br label %bb960 |
| |
| bb960: |
| br label %bb961 |
| |
| bb961: |
| br label %bb962 |
| |
| bb962: |
| br label %bb963 |
| |
| bb963: |
| br label %bb964 |
| |
| bb964: |
| br label %bb965 |
| |
| bb965: |
| br label %bb966 |
| |
| bb966: |
| br label %bb967 |
| |
| bb967: |
| br label %bb968 |
| |
| bb968: |
| br label %bb969 |
| |
| bb969: |
| br label %bb970 |
| |
| bb970: |
| br label %bb971 |
| |
| bb971: |
| br label %bb972 |
| |
| bb972: |
| br label %bb973 |
| |
| bb973: |
| br label %bb974 |
| |
| bb974: |
| br label %bb975 |
| |
| bb975: |
| br label %bb976 |
| |
| bb976: |
| br label %bb977 |
| |
| bb977: |
| br label %bb978 |
| |
| bb978: |
| br label %bb979 |
| |
| bb979: |
| br label %bb980 |
| |
| bb980: |
| br label %bb981 |
| |
| bb981: |
| br label %bb982 |
| |
| bb982: |
| br label %bb983 |
| |
| bb983: |
| br label %bb984 |
| |
| bb984: |
| br label %bb985 |
| |
| bb985: |
| br label %bb986 |
| |
| bb986: |
| br label %bb987 |
| |
| bb987: |
| br label %bb988 |
| |
| bb988: |
| br label %bb989 |
| |
| bb989: |
| br label %bb990 |
| |
| bb990: |
| br label %bb991 |
| |
| bb991: |
| br label %bb992 |
| |
| bb992: |
| br label %bb993 |
| |
| bb993: |
| br label %bb994 |
| |
| bb994: |
| br label %bb995 |
| |
| bb995: |
| br label %bb996 |
| |
| bb996: |
| br label %bb997 |
| |
| bb997: |
| br label %bb998 |
| |
| bb998: |
| br label %bb999 |
| |
| bb999: |
| br label %bb1000 |
| |
| bb1000: |
| ; CHECK: call{{.*}}@dfsan_union |
| ; CHECK-NOT: phi |
| %ab = mul i32 %a, %b |
| ret i32 %ab |
| } |
